They'd give renters more rights under tenancy agreements including banning letting fees, and would introduce new 'healthy home' standards.

Labour would also remove the ability of landlords to claim losses from rental properties against other income (also known as 'negative gearing').

Almost three-quarters of respondents to the NZPIF survey said they'd increase rental prices, with 54.8 percent saying they'd raise rents between $20 and $40 per week and 12.8 percent saying they'd raise rents by more than $40 per week.